Epigenesis (geology)

Epigenesis In geology,  is the modification of minerals in rocks after formation.Jovic, Vidojko (1998). "Epigenesis". In Marshall, Clare P.; Fairbridge, Rhodes W. (eds) Geochemistry. In Encyclopedia of Earth Science. p. 115. doi:10.1007/1-4020-4496-8_115. ISBN 0-412-75500-9 

A common example is marble. Laid down as chalk or other limestone, its nature is changed by being uplifted in a later mountain range. The heat and pressure turns the limestone into marble.

 References 

Category:Metamorphic rocks